Lock Washer

A20393-509

A20393-509
(NSN) National Stock Number
5310-01-166-6684
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
7318210000
Summary

0.255 inches nominal hole diameter, 0.489 inches nominal outside diameter, 0.062 inches nominal material thickness, black overall color, steel overall material, oxide overall surface treatment

DAC HCC DMIL RNCC
A - - 3
RNVC SADC MSDS RNAAC
2 - - KZ
Identification

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

INC FIIG Concept Condition
14218 A022B0 1 1
Specifications
Hole Diameter
0.255 inches nominal
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.489 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
Material Thickness
0.062 inches nominal
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Color
black overall
Details A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
oxide overall
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Style Designator
split helical-right hand
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
818-010 72741 A - 5 9 - KZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
55210 - U -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
MOOG INC
CAGE: 94697
EAST AURORA , NY , 14052
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-01-166-6684
What is the NIIN of the NSN 5310-01-166-6684?
The National Item Identification Number (NIIN) of the NSN 5310-01-166-6684 is 01-166-6684
When the NSN 5310-01-166-6684 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Wed, Nov 16, 1983
Does the NSN 5310-01-166-6684 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-166-6684 contain any hazardous material?
No data in HMIRS

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